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Convert Bytes Into KB, MB And GB Using PHP

Last Updated : Apr 15, 2022

IN - PHP HTML

In this tutorial we will show you how to convert bytes to kilobytes(kb), Megabytes(MB) and Gigabytes(GB) using PHP with our simple and easy function you can also easily use this code in making bigger applications.

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Convert Bytes Into KB, MB And GB Using PHP

CHECK OUT THIS TUTORIAL LIVE DEMO →

To Convert Bytes It Takes Only two Steps:-

  1. Make a PHP file and define markup and scripting
  2. Make a CSS file and define styling

Step 1. Make a PHP file and define markup and scripting

We make a PHP file and save it with a name convert.php 

<?php
function convert($size,$unit) 
{
 if($unit == "KB")
 {
  return $fileSize = round($size / 1024,4) . 'KB';	
 }
 if($unit == "MB")
 {
  return $fileSize = round($size / 1024 / 1024,4) . 'MB';	
 }
 if($unit == "GB")
 {
  return $fileSize = round($size / 1024 / 1024 / 1024,4) . 'GB';	
 }
}

if(isset($_POST['convert_size']))
{
 $size=$_POST['size'];
 $unit=$_POST['convert_unit'];
 $size=convert($size,$unit);
}
?>

<html>
<head>
<link type="text/css" rel="stylesheet" href="convert_style.css"/>
</head>
<body>
<div id="wrapper">

<div id="convert_div">
 <form method="post"action="">
  <input type="text" name="size" placeholder="Enter Bytes">
  <select name="convert_unit">
   <option>KB</option>
   <option>MB</option>
   <option>GB</option>
  </select>
  <br>
  <input type="submit" name="convert_size" value="Convert Bytes">
 </form>
 <p><?php echo $size;?></p>
</div>

</div>
</body>
</html>

In this step we create a form to enter bytes and select unit to convert on. After submitting the form we get the value of size and units and call convert function to convert bytes into particular unit and display in browser.

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Step 2. Make a CSS file and define styling

We make a CSS file and save it with a name convert_style.css 

body
{
 margin:0 auto;
 padding:0px;
 text-align:center;
 width:100%;
 font-family: "Myriad Pro","Helvetica Neue",Helvetica,Arial,Sans-Serif;
 background-color:#A9BCF5;
}
#wrapper
{
 margin:0 auto;
 padding:0px;
 text-align:center;
 width:995px;
}
#wrapper h1
{
 margin-top:50px;
 font-size:45px;
 color:#045FB4;
}
#wrapper h1 p
{
 font-size:18px;
}
#convert_div input[type="text"]
{
 width:400px;
 height:55px;
 padding-left:10px;
 font-size:18px;
 margin-bottom:15px;
 border:none;
 color:#045FB4;
 font-weight:bold;
}
#convert_div select
{
 margin:0px;
 padding:0px;
 border:none;
 width:70px;
 height:55px;
 margin-bottom:15px;
 border:none;
 color:#045FB4;
 font-weight:bold;
}
#convert_div input[type="submit"]
{
 width:330px;
 height:45px;
 font-size:16px;
 font-weight:bold;
 background-color:#5882FA;
 color:white;
 border:none;
 box-shadow:0px 4px 0px 0px #2E64FE;
 border-radius:3px;
}

That's all, this is how to convert bytes into kb, mb and gb using PHP. You can customize this code further as per your requirement. And please feel free to give comments on this tutorial.

CHECK OUT THIS TUTORIAL LIVE DEMO →

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